{"version":"1.0","type":"link","title":"Sixth normal form - Newikis","description":"Sixth normal form (6NF) is a normal form used in relational database normalization which extends the relational algebra and generalizes relational operators (such as join) to support interval data, which can be useful in temporal databases.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}